For Head Sizes 21.7" - 22.0" (55 to 56 mm); Often imitated, never duplicated thats the Classic Pro-tec styling! Lo-Pro 2-stage multi-impact liner, tough ABS shell, stainless steel rivets & soft tubular webbing have set the standard in skate helmets. Not Certified: (These helmets use 2-stage foam that does not meet certification standards and should only be used for skating) Additional Details BRAND : PROTEC SKU : PTVN0CSZX28-M UPC : 637439031406
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